Abstract
Hole-conducting poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS) is a material receiving increasing interest for use in photovoltaic devices. In this work, we present the results of study of the degradation of the optical and electrical properties of pure PEDOT:PSS and PEDOT:PSS doped with Si-nanoparticles. The PEDOT:PSS has been deposited on top of Si wafers by spin coating. We found that incorporation of Si nanoparticles into PEDOT:PSS enhances the surface passivation of the surface of the Si wafer by increasing the carrier lifetime measured by the photoluminesence quasi-steady state photoconductance (PL QSS-PC) method from about 320※μs to 420※μs at a minority carrier injection level of 2∗1015cm-3. Analysis showed that incorporation of the Si nanoparticles does not change the kinetics of degradation of lifetime considerably.
| Original language | English |
|---|---|
| Pages (from-to) | 2517-2519 |
| Number of pages | 3 |
| Journal | Materials Today: Proceedings |
| Volume | 33 |
| DOIs | |
| Publication status | Published - 2019 |
| Externally published | Yes |
| Event | 2019 Fall Meeting Metal Oxide- and Oxyhydride-based Nanomaterials for Energy and Environment-related Applications, EMRS 2019 - Warsaw, Poland Duration: 16 Sept 2019 → 19 Sept 2019 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Carrier lifetime
- Functionalization
- Hybrid solar cells
- Nanoparticles
- Optical characterization
- PEDOT:PSS
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